/* 底部 */
.footer {
    display: flex;
    position: fixed;
    bottom: 0px;
    width: 7.5rem;
    height: 1rem;
    background: #FFFFFF;
    box-shadow: 0 -5px 10px 0 rgba(204, 204, 204, 0.20), 0 0 0 0 #CCCCCC;
}

/* 底部按钮 */
.footer a {
    flex: 1;
    text-align: center;
    color: #999;
    font-size: 0.2rem;
}

.footer i {
    display: block;
    line-height: 0.4rem;
    font-size: 0.36rem;
    margin: 0.14rem auto;
}

/* 点击按钮变色 */
.footer .active{
    color: #FF6040;
}
